Global Patent Index - EP 1078921 A1

EP 1078921 A1 2001-02-28 - NOVEL INTERMEDIATES AND PROCESSES FOR THE PREPARATION OF OPTICALLY ACTIVE OCTANOIC ACID DERIVATIVES

Title (en)

NOVEL INTERMEDIATES AND PROCESSES FOR THE PREPARATION OF OPTICALLY ACTIVE OCTANOIC ACID DERIVATIVES

Title (de)

INTERMEDIATE UND VERFAHREN ZUR HERSTELLUNG OPTISCH AKTIVER OKTANSÄURE-DERIVATE

Title (fr)

NOUVEAUX INTERMEDIAIRES ET PROCEDES DE PREPARATION DE DERIVES D'ACIDE OCTANOIQUE OPTIQUEMENT ACTIF

Publication

EP 1078921 A1 (EN)

Application

EP 99918368 A

Priority

  • JP 9902427 W
  • JP 12890198 A

Abstract (en)

Novel intermediates, i.e., N-(2S-(2-propenyl)octanoyl)-(1S)-(-2,10-camphorsultam, N-(2S-(2-propynyl)octanoyl)-(1S)-(-)-2,10-camphorsultam and N-(2R-(2-propyl)octanoyl)-(1S)-(-)-2,10-camphorsultam; processes for the preparation of the intermediates; and processes for the preparation of optically active 2S-(2-propenyl)octanoic acid, 2S-(2-propynyl)octanoic acid and 2R-propyloctanoic acid by using the same. Optically active 2R-propyloctanoic acid equivalent or superior to that prepared by the process of the prior art in optical purity can be efficiently prepared in shorter reaction steps.

IPC 1-7 (main, further and additional classification)

C07D 275/06; C07C 51/36; C07C 53/126

IPC 8 full level (invention and additional information)

C07C 51/06 (2006.01); C07C 51/36 (2006.01); C07D 275/06 (2006.01)

CPC (invention and additional information)

C07D 275/06 (2013.01); C07C 51/06 (2013.01); C07C 51/36 (2013.01)

Combination set (CPC)

  1. C07C 51/06 + C07C 57/03
  2. C07C 51/06 + C07C 57/18
  3. C07C 51/36 + C07C 53/128
  4. C07C 51/36 + C07C 53/126

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

EP 1078921 A1 20010228; EP 1078921 A4 20010627; EP 1078921 B1 20030326; AT 235475 T 20030415; AU 3630399 A 19991129; AU 748360 B2 20020606; BR 9910399 A 20010130; CA 2331548 A1 19991118; CN 1144796 C 20040407; CN 1309652 A 20010822; DE 69906275 D1 20030430; DE 69906275 T2 20031127; DK 1078921 T3 20030714; ES 2195564 T3 20031201; HU 0102401 A2 20011128; HU 0102401 A3 20020128; JP 4147516 B2 20080910; NO 20005660 A 20010111; NO 20005660 D0 20001109; NZ 508100 A 20021025; PT 1078921 E 20030630; TR 200100109 T2 20010621; TW 509672 B 20021111; US 2002028947 A1 20020307; US 6333415 B1 20011225; US 6392073 B1 20020521; WO 9958513 A1 19991118; ZA 200006439 B 20020208

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